386720220050 has 12 divisors (see below), whose sum is σ = 719299609386. Its totient is φ = 154688088000.

The previous prime is 386720220037. The next prime is 386720220077. The reversal of 386720220050 is 50022027683.

It can be written as a sum of positive squares in 3 ways, for example, as 191858892289 + 194861327761 = 438017^2 + 441431^2 .

It is a super-4 number, since 4×386720220050⁴ (a number of 47 digits) contains 4444 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3867202151 + ... + 3867202250.

Almost surely, 2^386720220050 is an apocalyptic number.

386720220050 is a deficient number, since it is larger than the sum of its proper divisors (332579389336).

386720220050 is a wasteful number, since it uses less digits than its factorization.

386720220050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7734404413 (or 7734404408 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 35.

The spelling of 386720220050 in words is "three hundred eighty-six billion, seven hundred twenty million, two hundred twenty thousand, fifty".